“…However, studies adjusted at least for age, tumor stage, cancer treatment, and either comorbidities or smoking, on average, showed positive associations. Consistent positive associations were also observed among the secondary analysis of clinical trials 45 , 48 , 54 , 59 , 63 , 64 , 68 , 70 , 88 , 102 , 103 , 104 , 106 , 116 , 120 , 121 , 123 , 147 , 159 , 161 , 162 , 164 , 181 , 191 , 193 , 199 , 203 , 211 , 221 , 222 , 238 , 252 , 253 , 283 which were expected to have better treatment protocols and management. The evidence of greater body fatness causing increased mortality was unlikely to be caused solely by chance or bias, and was graded as strong probable evidence.…”